48% (1995)

57% (2014)

56% (1999)

51% (1992)

46% (1994)

39% (1996)

46% (2004)

39% (1993)

38% (1995)

27% (2004)

37% (1996)

57% (2000)

35% (1995)

48% (1999)

38% (1994)

28% (1995)

38% (1995)

32% (1994)

56% (1997)

49% (1997)